Rucksack has reinforcing component which fits against back consisting of wire frame with wings at top and bottom corners which fit into pockets on net which fits over frame

摘要

The rucksack has a reinforcing component (11) which fits against the back, leaving a space between the pack and the back. This consists of a wire frame with wings at the top and bottom corners. These fit into pockets on a net (31) which fits over the frame.